diff --git a/Package/Sublime Text Syntax Definition/Sublime Text Syntax Definition.sublime-syntax b/Package/Sublime Text Syntax Definition/Sublime Text Syntax Definition.sublime-syntax
index 9a1db99a..e8b99c7b 100644
--- a/Package/Sublime Text Syntax Definition/Sublime Text Syntax Definition.sublime-syntax	
+++ b/Package/Sublime Text Syntax Definition/Sublime Text Syntax Definition.sublime-syntax	
@@ -134,7 +134,7 @@ contexts:
         1: string.unquoted.plain.out.yaml storage.type.extends.sublime-syntax
         2: punctuation.separator.key-value.yaml
 
-    - match: ((?:file|hidden)_extensions)\s*(:)(?=\s|$)
+    - match: ((?:hidden_)?file_extensions)\s*(:)(?=\s|$)
       captures:
         1: string.unquoted.plain.out.yaml entity.name.tag.yaml
         2: punctuation.separator.key-value.yaml
diff --git a/Package/Sublime Text Syntax Definition/syntax_test_sublime-syntax.yaml b/Package/Sublime Text Syntax Definition/syntax_test_sublime-syntax.yaml
index bbb4c54a..b99f03de 100644
--- a/Package/Sublime Text Syntax Definition/syntax_test_sublime-syntax.yaml	
+++ b/Package/Sublime Text Syntax Definition/syntax_test_sublime-syntax.yaml	
@@ -18,10 +18,10 @@ file_extensions: [a, b]
 #^^^^^^^^^^^^^^ string.unquoted.plain.out.yaml entity.name.tag.yaml
 #                ^^^^^^ meta.flow-sequence.yaml
 #                 ^ string
-hidden_extension: [a, b]
-#^^^^^^^^^^^^^^^ string.unquoted.plain.out.yaml entity.name.tag.yaml
-#                 ^^^^^^ meta.flow-sequence.yaml
-#                  ^ string
+hidden_file_extensions: [a, b]
+#^^^^^^^^^^^^^^^^^^^^^ string.unquoted.plain.out.yaml entity.name.tag.yaml
+#                       ^^^^^^ meta.flow-sequence.yaml
+#                        ^ string
 first_line_match: azx
 #^^^^^^^^^^^^^^^ keyword.other.first_line_match.sublime-syntax
 #                 ^^^ meta.expect-regexp source.regexp
diff --git a/plugins/syntax_dev/completions.py b/plugins/syntax_dev/completions.py
index b62d69bf..8d29f255 100644
--- a/plugins/syntax_dev/completions.py
+++ b/plugins/syntax_dev/completions.py
@@ -101,7 +101,7 @@ class SyntaxDefCompletionsListener(sublime_plugin.ViewEventListener):
         ('contexts', KIND_HEADER_DICT, 'The syntax contexts.'),
         # list keys
         ('file_extensions', KIND_HEADER_LIST, "The list of file extensions."),
-        ('hidden_extensions', KIND_HEADER_LIST, "The list of hidden file extensions.")
+        ('hidden_file_extensions', KIND_HEADER_LIST, "The list of hidden file extensions.")
     ))
 
     base_completions_contexts = format_static_completions(templates=(